Tentukan himpunan penyelesaian linear berikut 1).2(5-5x)=3(5-x) 2).-2x+5=-(x-9)

1) 2 ( 5 - 5x ) = 3 ( 5 - x )
10 - 10x = 15 - 3x
- 10x + 3x = 15 - 10
- 7x = 5
x = - 5/7
hp = ( - 5/7)

2) - 2x + 5 = - ( x - 9)
- 2x + 5 = - x + 9
- 2x + x = 9 - 5
- x = 4
x = - 4